$\bf \begin{cases}
g(x)=2x\\
h(x)=x^2+4
\end{cases}\qquad 
\begin{array}{llll}
(h\circ g)(x)\implies h[~~g(x)~~]\\\\
(h\circ g)(-5)\implies h[~~g(-5)~~]
\end{array}\\\\
-------------------------------\\\\
g(-5)=2(-5)\implies g(-5)=-10
\\\\\\
h[~~g(-5)~~]\implies h[~~-10~~]\implies h(-10)=(-10)^2+4
\\\\\\
h(-10)=100+4\implies h(-10)=104$

6 0

3 years ago

1. The United States has more than 250, 000 rivers. These rivers total about 3,500,000 miles. Express the total number of river

Dvinal [7]

If you convert 840,000 to scientific notation; you would take 840,000 and divide it by 10^5 (ten to the fifth power) which is 100,000 and that would leave you with 8.4 divided by 10^5. Remember scientific notation must be expressed as a number 1 through 9 but less than 10.

7 0

2 years ago

Find the total surface area of this triangular prism.

Irina18 [472]

Answer:

not sure but i think its 425 cm

Step-by-step explanation:

for the square i dont know

how its called in english the surface is 25×10= 250cm

and for the triangle its (25×14):2 = 175cm

so 175 + 250= 425cm

4 0

3 years ago

a football field is being covered with new turf. the field company can lay the turf at a rate of 65 square yards per hour, appro

dybincka [34]

98 hours my friend 98 hours

5 0

3 years ago